Question

Given alongside is a partial diagrammatic representation of a certain phenomenon pertaining to the nervous system.​

(iii) Name the parts not shown in the diagram that should be included to complete the pathway of the phenomenon.​

Answer 1

Answer:​

The parts that are missing from the diagram are:​

1. Sensory neuron - Contain sensory fibres that carry impulses from the receptor to the spinal cord.​
   
2. Motor neuron - Contain motor fibres that carry impulses from spinal cord to the effector.​
   
3. Receptor - A sense organ in the skin, muscle, or another organ that receives that signal. Hence, it is also known as the stimulus.​
   
4. Effector - This structure by which animal respond, such as muscles, glands, etc. These express the signal that was interpreted by the central nervous system.​

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